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Hebbeln, Dierk (2019): Physical oceanographic profiles of CTD casts during METEOR cruise M122 off Angola in 2016. PANGAEA,

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Reefs formed by scleractinian cold-water corals represent unique biodiversity hot spots in the deep sea, preferring aphotic water depths of 200–1000 m. The distribution of the most prominent reef-building species Lophelia pertusa is controlled by various environmental factors including dissolved oxygen concentrations and temperature. Consequently, the expected ocean deoxygenation and warming triggered by human-induced global change are considered as a serious threat to cold-water coral reefs. Here, we present results on recently discovered reefs in the SE Atlantic, where L. pertusa thrives in hypoxic and rather warm waters. This sheds new light on its capability to adapt to extreme conditions, which is facilitated by high surface ocean productivity, resulting in extensive food supply. Putting our data in an Atlantic-wide perspective clearly demonstrates L. pertusa's ability to develop population-specific adaptations, which are up to now hardly considered in assessing its present and future distributions.
Angola; CTD data; upper continental slope
Further details:
Hebbeln, Dierk; Wienberg, Claudia; Bender, Maren; Bergmann, Fenna; Dehning, Klaus; Dullo, Wolf-Christian; Eichstädter, R; Flöter, Sebastian; Freiwald, André; Gori, Andrea; Haberkern, Julia; Hoffmann, Leon; João, Francisco; Lavaleye, Marc; Leymann, Tom; Matsuyama, Kei; Meyer-Schack, Birgit; Mienis, Furu; Moçambique, Irene; Nowald, Nicolas; Orejas, Covadonga; Ramos Cordova, Carlos; Saturov, Dimitar; Seiter, Christian; Titschack, Jürgen; Vittori, Vincent; Wefing, Anne-Marie; Wilsenack, Maik; Wintersteller, Paul (2017): ANNA Cold-Water Coral Ecosystems off Angola and Namibia - Cruise No. M122 - December 30, 2015 - January 31, 2016 - Walvis Bay (Namibia) - Walvis Bay (Namibia). METEOR-Berichte, DFG-Senatskommission für Ozeanographie, M122, 74 pp,
Median Latitude: -12.484615 * Median Longitude: 12.944320 * South-bound Latitude: -22.957500 * West-bound Longitude: 11.513000 * North-bound Latitude: -9.587000 * East-bound Longitude: 14.505280
Date/Time Start: 2016-01-15T11:33:00 * Date/Time End: 2016-01-27T16:41:00
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